Description
Dominate the Trails: Premium MQ-93 Outdoor Mountain Bike Helmet

Shield your skull from intense trail impacts and elevate your off-road racing stamina with absolute peace of mind. The outdoor mountain bike helmet is professional-grade, commercial-quality safety uniform equipment explicitly engineered for passionate road mountain bike racers, cross-country trail blazers, and long-distance cycling athletes. Patterned around the heavy-duty MQ-93 Mountain Cross Country Riding Helmet specifications, this model integrates imported premium raw materials with an ultra-breathable multi-vent matrix to keep your posture stable, dry, and secure on any terrain.
Why Performance Riders Choose the MQ-93 Mountain Bike Helmet:
Structural safety built to survive rough drops. The outdoor mountain bike helmet framework features an external PC shell seamlessly bonded to an internal EPS integrated molding shock absorption grid. Fusing these imported materials simultaneously eliminates weak seam lines, absorbing severe impact energy flawlessly.
Say goodbye to hot head temperature accumulation. Equipped with a calculated matrix of 21 individual ventilation holes, the aerodynamic structure channels rushing wind smoothly over your scalp while expelling trapped humid moisture rapidly through the rear plate.
Lock in your fitment boundaries with absolute precision. This premium cycling helmet incorporates a high-end adjustment system dial, enabling you to calibrate the internal suspension tracking to achieve a perfect, snug, shift-free fitment profile mid-pedal.
Tailor your look and protection metrics on the fly. The active utility design features a removable brim + tail setup, letting you attach the visor to block sun glare and passing branch scrapes on single-tracks, or snap it off for an aerodynamic road bike look.

Technical Specifications
Review product materials, sizing parameters, and ventilation details below:
| Specification | Details |
|---|---|
| Model Identification | MQ-93 Mountain Cross Country Riding Helmet |
| Material Shell Matrix | Premium Polycarbonate (PC Shell Imported) |
| Material Absorbing Core | High-Density Expanded Polystyrene (EPS Imported Inside) |
| Structural Architecture | One-Piece Integrated Molding Shock Absorption Technology |
| Size M Parameters | Head Circumference: 54 – 58 CM | Inner Width: 17.0 cm |
| Size L Parameters | Head Circumference: 58 – 62 CM | Inner Width: 17.5 cm |
| Ventilation Infrastructure | 21 Aerodynamic Airflow Cooling Vents |
| Functional Accessories | High-End Adjustment Dial System, Removable Brim, Detachable Tail |
| Color Options Spectrum | 6 Distinct Sport Colors Optional |
| Target Application Profile | Adult Road & Mountain Bike Sports (Unisex Architecture) |
📐 Sizing Calibration & Care Reminders:
- Dimensions Accuracy: Offered in precise M (54-58CM) and L (58-62CM) boundaries. Measure your exact forehead circumference with a flexible tape measure before selecting your size.
- Visor Operation Notice: When attaching or detaching the removable brim or tail shield, pull gently away from anchor points to avoid stress on the PC shell.
- Storage Condition: To preserve the shock absorption density of the imported EPS foam, avoid leaving the helmet in high-temperature environments or direct sunlight when stored.




Package Includes:
- 1 × MQ-93 Outdoor Mountain Bike Helmet Safety Protection Kit
Frequently Asked Questions (FAQ):
Q: What is the benefit of using imported PC and EPS inside this outdoor mountain bike helmet?
Imported raw PC (Polycarbonate) and high-density EPS (Expanded Polystyrene) provide standard-setting energy-mitigation properties. The purity of these imported polymers guarantees uniform density throughout the chassis, absorbing sudden impact forces far more reliably during heavy falls.
Q: How do the 21 ventilation holes perform during hot afternoon cross-country racing?
The 21-hole structure forms a high-velocity wind tunnel grid. As you cycle forward, the aerodynamic airflow system forces external drafts through the front vents, sweeping over your scalp to carry away excess heat and moisture under strenuous workouts.
Q: How do I adjust the helmet to fit my exact head shape using the built-in hardware?
The helmet features a robust high-end adjustment dial system at the lower rear rim. Place the helmet flat over your head and turn the dial clockwise to tighten the internal cradle smoothly around your head for a snug, shift-free fitment profile.




















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